Hitachi SH72531: Hitachi control unit. Stage 1 for power, removal from the logic of the EGR system · the catalytic converter/lambda · the SAP system · EVAP, disabling the swirl flaps, Pops & Bangs and DTC Off — Autotuner, KESS3 (OBD), KTAG (bench), Trasdata. only on Nissan.
The Hitachi SH72531 ECU is fitted to 0 engines in the CHIPOK database across 1 brand. Top: Nissan (0).
The Hitachi SH72531 ECU supports: SAP OFF, CHECK STOCK OR NOT, STAGE 1, DTC OFF, EVAP OFF, FLAPS OFF, POP AND BANGS, CAT/LAMBDA OFF, EGR OFF. Checksums are recalculated on the engineer's side in WinOLS5.
The Hitachi SH72531 is supported by: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the Hitachi SH72531 reprograms the main ECU maps: injection, boost, torque. The exact set depends on the fuel type and architecture.
A Hitachi SH72531 file is accepted in .bin/.hex/.ori format (full read) from any programmer: Autotuner, MPPS, MagicMotorSport, KT200, FoxFlash. Checksums are recalculated by hand in WinOLS5.
Flashing the Hitachi SH72531 takes 25-30 minutes in OBD mode or ~60 minutes on Bench. Once the file is received, CHIPOK processes it in 5-30 minutes.
The cost of flashing the Hitachi SH72531 is calculated in the price calculator: you select options (Stage 1/2, DPF off, EGR off, AdBlue off, DTC off, etc.) and the final price is capped by the package Max Price. Paid with credits (1 cr = 1 €), no subscriptions.